Home / 143,175.18-214,801.68-49,688.22

Finding the Fourth Proportional to 143,175.18, 214,801.68 and 49,688.22

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Solution

The fourth proportional to 143,175.18, 214,801.68 and 49,688.22 is: 74,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,175.18 : 214,801.68 = 49,688.22 : x
  2. Step 2: Convert to fraction form
    143,175.18/214,801.68 = 49,688.22/x
  3. Step 3: Cross multiply
    143,175.18x = 214,801.68 × 49,688.22
  4. Step 4: Simplify right side
    143,175.18x = 10,673,113,132.21
  5. Step 5: Solve for x
    x = 10,673,113,132.21/143,175.18
  6. Step 6: Final answer
    x = 74,545.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.